11897313 has 8 divisors (see below), whose sum is σ = 16291968. Its totient is φ = 7717104.

The previous prime is 11897309. The next prime is 11897317. The reversal of 11897313 is 31379811.

11897313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11897309) and next prime (11897317).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11897313 - 2² = 11897309 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (11897317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53481 + ... + 53702.

It is an arithmetic number, because the mean of its divisors is an integer number (2036496).

Almost surely, 2^11897313 is an apocalyptic number.

It is an amenable number.

11897313 is a deficient number, since it is larger than the sum of its proper divisors (4394655).

11897313 is a wasteful number, since it uses less digits than its factorization.

11897313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107223.

The product of its digits is 4536, while the sum is 33.

The square root of 11897313 is about 3449.2481789515. The cubic root of 11897313 is about 228.2879364642.

The spelling of 11897313 in words is "eleven million, eight hundred ninety-seven thousand, three hundred thirteen".